Cab Driver Held Up

a woodside, queens, taxi driver was robbed april 14 after dropping off a passenger. the 43-year-old driver told police that he picked up his passenger at grand central station. he was told to go to 242 w. 63rd st., a dead-end street off west end avenue. the passenger asked the driver if he had change for a $100 bill. when the driver said no, the passenger got out of the car and approached the passenger-side window. he asked the driver for his bag. when the driver protested, the mugger pulled out a black firearm. the driver handed over his bag, containing $800 cash. the mugger fled into the amsterdam houses.